Home / 74,260.12-102,479.12-40,726.36

Finding the Fourth Proportional to 74,260.12, 102,479.12 and 40,726.36

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Solution

The fourth proportional to 74,260.12, 102,479.12 and 40,726.36 is: 56,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.12 : 102,479.12 = 40,726.36 : x
  2. Step 2: Convert to fraction form
    74,260.12/102,479.12 = 40,726.36/x
  3. Step 3: Cross multiply
    74,260.12x = 102,479.12 × 40,726.36
  4. Step 4: Simplify right side
    74,260.12x = 4,173,601,533.60
  5. Step 5: Solve for x
    x = 4,173,601,533.60/74,260.12
  6. Step 6: Final answer
    x = 56,202.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.